package cn.mux.jdk8.arrays;


public class TestInteger {
	public static void main(String[] args) {
		String string="-234";
		System.out.println(Integer.toUnsignedString(-345));
	}
}
class Root{
	public Root(){
		System.out.println("root");
	}
}
class Mid extends Root {
	public Mid(){
		System.out.println("mid no param");
	}
	
	public Mid(String msg){
		this();
		System.out.println("mid 参数构造器:"+msg);
	}
}

class Leaf extends Mid {
	public Leaf(){
		super("java");
		System.out.println("leaf");
	}
}